C31232233133313221211113313331333133313331212111133133321112311   >>    C3123223313331322121111331333133313331333121211113313332111231   <<    C31232233133313221211113313331333133313331212111133133321112313   >>      C31232233133313221211113313331333133313331212111133133321112312   >>